Vertically-mountable letter tray



FIG. 1 is a front elevational view of a vertically-mountable letter tray showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is a side elevational view; the opposite side being a mirror image; and,

FIG. 6 is a perspective view thereof. 

The ornamental design for a vertically-mountable letter tray, as shown and described. 